Instrument face



FIG. 1 is a front-plan view of an instrument face of my new design;

FIG. 2 is a right-side view of my new design;

FIG. 3 is a left-side view of my new design;

FIG. 4 is a top view of my new design; and,

FIG. 5 is a bottom view of my new design. 

The ornamental design for an instrument face, as shown. 